Answer the following!'

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

If the value of cos330°is√3/2 then find cos 165°.

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)